/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2008, Pyun YongHyeon * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _IF_ALEVAR_H #define _IF_ALEVAR_H #define ALE_TX_RING_CNT 256 /* Should be multiple of 4. */ #define ALE_TX_RING_CNT_MIN 32 #define ALE_TX_RING_CNT_MAX 1020 #define ALE_TX_RING_ALIGN 8 #define ALE_RX_PAGE_ALIGN 32 #define ALE_RX_PAGES 2 #define ALE_CMB_ALIGN 32 #define ALE_TSO_MAXSEGSIZE 4096 #define ALE_TSO_MAXSIZE (65535 + sizeof(struct ether_vlan_header)) #define ALE_MAXTXSEGS 35 #define ALE_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF) #define ALE_ADDR_HI(x) ((uint64_t) (x) >> 32) /* Water mark to kick reclaiming Tx buffers. */ #define ALE_TX_DESC_HIWAT (ALE_TX_RING_CNT - ((ALE_TX_RING_CNT * 4) / 10)) #define ALE_MSI_MESSAGES 1 #define ALE_MSIX_MESSAGES 1 /* * TODO : Should get real jumbo MTU size. * The hardware seems to have trouble in dealing with large * frame length. If you encounter unstability issue, use * lower MTU size. */ #define ALE_JUMBO_FRAMELEN 8132 #define ALE_JUMBO_MTU \ (ALE_JUMBO_FRAMELEN - sizeof(struct ether_vlan_header) - ETHER_CRC_LEN) #define ALE_MAX_FRAMELEN (ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN) #define ALE_DESC_INC(x, y) ((x) = ((x) + 1) % (y)) struct ale_txdesc { struct mbuf *tx_m; bus_dmamap_t tx_dmamap; }; struct ale_rx_page { bus_dma_tag_t page_tag; bus_dmamap_t page_map; uint8_t *page_addr; bus_addr_t page_paddr; bus_dma_tag_t cmb_tag; bus_dmamap_t cmb_map; uint32_t *cmb_addr; bus_addr_t cmb_paddr; uint32_t cons; }; struct ale_chain_data{ bus_dma_tag_t ale_parent_tag; bus_dma_tag_t ale_buffer_tag; bus_dma_tag_t ale_tx_tag; struct ale_txdesc ale_txdesc[ALE_TX_RING_CNT]; bus_dma_tag_t ale_tx_ring_tag; bus_dmamap_t ale_tx_ring_map; bus_dma_tag_t ale_rx_mblock_tag[ALE_RX_PAGES]; bus_dmamap_t ale_rx_mblock_map[ALE_RX_PAGES]; struct tx_desc *ale_tx_ring; bus_addr_t ale_tx_ring_paddr; uint32_t *ale_tx_cmb; bus_addr_t ale_tx_cmb_paddr; bus_dma_tag_t ale_tx_cmb_tag; bus_dmamap_t ale_tx_cmb_map; uint32_t ale_tx_prod; uint32_t ale_tx_cons; int ale_tx_cnt; struct ale_rx_page ale_rx_page[ALE_RX_PAGES]; int ale_rx_curp; uint16_t ale_rx_seqno; }; #define ALE_TX_RING_SZ \ (sizeof(struct tx_desc) * ALE_TX_RING_CNT) #define ALE_RX_PAGE_SZ_MIN (8 * 1024) #define ALE_RX_PAGE_SZ_MAX (1024 * 1024) #define ALE_RX_FRAMES_PAGE 128 #define ALE_RX_PAGE_SZ \ (roundup(ALE_MAX_FRAMELEN, ALE_RX_PAGE_ALIGN) * ALE_RX_FRAMES_PAGE) #define ALE_TX_CMB_SZ (sizeof(uint32_t)) #define ALE_RX_CMB_SZ (sizeof(uint32_t)) #define ALE_PROC_MIN (ALE_RX_FRAMES_PAGE / 4) #define ALE_PROC_MAX \ ((ALE_RX_PAGE_SZ * ALE_RX_PAGES) / ETHER_MAX_LEN) #define ALE_PROC_DEFAULT (ALE_PROC_MAX / 4) struct ale_hw_stats { /* Rx stats. */ uint32_t rx_frames; uint32_t rx_bcast_frames; uint32_t rx_mcast_frames; uint32_t rx_pause_frames; uint32_t rx_control_frames; uint32_t rx_crcerrs; uint32_t rx_lenerrs; uint64_t rx_bytes; uint32_t rx_runts; uint32_t rx_fragments; uint32_t rx_pkts_64; uint32_t rx_pkts_65_127; uint32_t rx_pkts_128_255; uint32_t rx_pkts_256_511; uint32_t rx_pkts_512_1023; uint32_t rx_pkts_1024_1518; uint32_t rx_pkts_1519_max; uint32_t rx_pkts_truncated; uint32_t rx_fifo_oflows; uint32_t rx_rrs_errs; uint32_t rx_alignerrs; uint64_t rx_bcast_bytes; uint64_t rx_mcast_bytes; uint32_t rx_pkts_filtered; /* Tx stats. */ uint32_t tx_frames; uint32_t tx_bcast_frames; uint32_t tx_mcast_frames; uint32_t tx_pause_frames; uint32_t tx_excess_defer; uint32_t tx_control_frames; uint32_t tx_deferred; uint64_t tx_bytes; uint32_t tx_pkts_64; uint32_t tx_pkts_65_127; uint32_t tx_pkts_128_255; uint32_t tx_pkts_256_511; uint32_t tx_pkts_512_1023; uint32_t tx_pkts_1024_1518; uint32_t tx_pkts_1519_max; uint32_t tx_single_colls; uint32_t tx_multi_colls; uint32_t tx_late_colls; uint32_t tx_excess_colls; uint32_t tx_abort; uint32_t tx_underrun; uint32_t tx_desc_underrun; uint32_t tx_lenerrs; uint32_t tx_pkts_truncated; uint64_t tx_bcast_bytes; uint64_t tx_mcast_bytes; /* Misc. */ uint32_t reset_brk_seq; }; /* * Software state per device. */ struct ale_softc { struct ifnet *ale_ifp; device_t ale_dev; device_t ale_miibus; struct resource *ale_res[1]; struct resource_spec *ale_res_spec; struct resource *ale_irq[ALE_MSI_MESSAGES]; struct resource_spec *ale_irq_spec; void *ale_intrhand[ALE_MSI_MESSAGES]; int ale_rev; int ale_chip_rev; int ale_phyaddr; uint8_t ale_eaddr[ETHER_ADDR_LEN]; uint32_t ale_dma_rd_burst; uint32_t ale_dma_wr_burst; int ale_flags; #define ALE_FLAG_PCIE 0x0001 #define ALE_FLAG_PCIX 0x0002 #define ALE_FLAG_MSI 0x0004 #define ALE_FLAG_MSIX 0x0008 #define ALE_FLAG_PMCAP 0x0010 #define ALE_FLAG_FASTETHER 0x0020 #define ALE_FLAG_JUMBO 0x0040 #define ALE_FLAG_RXCSUM_BUG 0x0080 #define ALE_FLAG_TXCSUM_BUG 0x0100 #define ALE_FLAG_TXCMB_BUG 0x0200 #define ALE_FLAG_LINK 0x8000 struct callout ale_tick_ch; struct ale_hw_stats ale_stats; struct ale_chain_data ale_cdata; int ale_if_flags; int ale_watchdog_timer; int ale_process_limit; volatile int ale_morework; int ale_int_rx_mod; int ale_int_tx_mod; int ale_max_frame_size; int ale_pagesize; struct task ale_int_task; struct taskqueue *ale_tq; struct mtx ale_mtx; }; /* Register access macros. */ #define CSR_WRITE_4(_sc, reg, val) \ bus_write_4((_sc)->ale_res[0], (reg), (val)) #define CSR_WRITE_2(_sc, reg, val) \ bus_write_2((_sc)->ale_res[0], (reg), (val)) #define CSR_WRITE_1(_sc, reg, val) \ bus_write_1((_sc)->ale_res[0], (reg), (val)) #define CSR_READ_2(_sc, reg) \ bus_read_2((_sc)->ale_res[0], (reg)) #define CSR_READ_4(_sc, reg) \ bus_read_4((_sc)->ale_res[0], (reg)) #define ALE_LOCK(_sc) mtx_lock(&(_sc)->ale_mtx) #define ALE_UNLOCK(_sc) mtx_unlock(&(_sc)->ale_mtx) #define ALE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->ale_mtx, MA_OWNED) #define ALE_TX_TIMEOUT 5 #define ALE_RESET_TIMEOUT 100 #define ALE_TIMEOUT 1000 #define ALE_PHY_TIMEOUT 1000 #endif /* _IF_ATEVAR_H */